Echinops ritro – Small Globe Thistle, Steel Blue Spheres

Small Globe Thistle (Echinops ritro)

Echinops ritro (EH-ki-nops RIT-tro) is a compact species with cobweb-like, woolly foliage. Unique spherical flowerheads appear steely blue before maturing to brighter blue. Late summer flowers add charm of form and texture to a mixed border.

Noteworthy Characteristics

• Plants do well in a wide range of garden sites, from wild to cottage gardens
• Flowers suitable for fresh cutting or drying

Growing Conditions & Care

Prefers poor, well-drained soil in full sun, but tolerates a range of soils and partial shade. Deadhead to prevent self-sowing.

Propagation

Sow seed in mid-spring; divide in fall or spring.

Potential Problems

Aphids.

Quick Reference

• Height/Spread: 1–3 ft.
• Light: Full sun to part shade
• Moisture: Adaptable
• Maintenance: Low
• Bloom Time: Late summer to summer
• Flower Color: Blue
• Uses: Beds, borders, cut flower, dried flower, naturalizing, cottage gardens
• Type: Perennial